feat: Extract replyToMessageId from attachments and implement custom PBKDF2 key derivation

app/src/main/java/com/rosetta/messenger/data/MessageRepository.kt

@@ -284,6 +284,9 @@ class MessageRepository private constructor(private val context: Context) {
                 privateKey
             )
             
+            // Извлекаем replyToMessageId из attachments
+            val replyToMessageId = extractReplyToMessageId(packet.attachments)
+            
             // 🔒 Шифруем plainMessage с использованием приватного ключа
             val encryptedPlainMessage = CryptoManager.encryptWithPassword(plainText, privateKey)
             
@@ -301,6 +304,7 @@ class MessageRepository private constructor(private val context: Context) {
                 messageId = messageId,  // 🔥 Используем сгенерированный messageId!
                 plainMessage = encryptedPlainMessage,  // 🔒 Зашифрованный текст
                 attachments = attachmentsJson,
+                replyToMessageId = replyToMessageId,  // 🔥 Добавляем replyToMessageId из attachments!
                 dialogKey = dialogKey
             )
             
@@ -552,6 +556,32 @@ class MessageRepository private constructor(private val context: Context) {
             plainMessage
         }
         
+        // Десериализуем attachments из JSON
+        val attachmentsList = try {
+            if (attachments.isNotEmpty() && attachments != "[]") {
+                val jsonArray = JSONArray(attachments)
+                (0 until jsonArray.length()).mapNotNull { i ->
+                    try {
+                        val obj = jsonArray.getJSONObject(i)
+                        MessageAttachment(
+                            id = obj.optString("id", ""),
+                            blob = obj.optString("blob", ""),
+                            type = AttachmentType.fromInt(obj.optInt("type", 0)),
+                            preview = obj.optString("preview", ""),
+                            width = obj.optInt("width", 0),
+                            height = obj.optInt("height", 0)
+                        )
+                    } catch (e: Exception) {
+                        null
+                    }
+                }
+            } else {
+                emptyList()
+            }
+        } catch (e: Exception) {
+            emptyList()
+        }
+        
         return Message(
             id = id,
             messageId = messageId,
@@ -562,6 +592,7 @@ class MessageRepository private constructor(private val context: Context) {
             isFromMe = fromMe == 1,
             isRead = read == 1,
             deliveryStatus = DeliveryStatus.fromInt(delivered),
+            attachments = attachmentsList,  // Десериализованные attachments
             replyToMessageId = replyToMessageId
         )
     }
@@ -599,6 +630,39 @@ class MessageRepository private constructor(private val context: Context) {
         return jsonArray.toString()
     }
     
+    /**
+     * Извлечение replyToMessageId из attachments
+     * Ищет MESSAGES (type=1) attachment и парсит message_id
+     */
+    private fun extractReplyToMessageId(attachments: List<MessageAttachment>): String? {
+        if (attachments.isEmpty()) return null
+        
+        for (attachment in attachments) {
+            if (attachment.type == AttachmentType.MESSAGES) {
+                try {
+                    // Берем blob или preview
+                    val dataJson = attachment.blob.ifEmpty { attachment.preview }
+                    if (dataJson.isEmpty() || dataJson.contains(":")) {
+                        // Пропускаем зашифрованные старые сообщения
+                        continue
+                    }
+                    
+                    val messagesArray = JSONArray(dataJson)
+                    if (messagesArray.length() > 0) {
+                        val replyMessage = messagesArray.getJSONObject(0)
+                        val replyMessageId = replyMessage.optString("message_id", "")
+                        if (replyMessageId.isNotEmpty()) {
+                            return replyMessageId
+                        }
+                    }
+                } catch (e: Exception) {
+                    e.printStackTrace()
+                }
+            }
+        }
+        return null
+    }
+    
     /**
      * Сериализация attachments в JSON с расшифровкой MESSAGES blob
      * Для MESSAGES типа blob расшифровывается и сохраняется в preview (как в RN)